5305-01-275-3269 SCREW,CAP,SOCKET HEAD Index 5306-01-275-3271 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-275-3270

Federal Supply Class:
5305

National Item Identification Number:
012753270

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
A302720180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH20.9 MILLIMETERS NOMINAL
HEAD DIAMETER4.0 MILLIMETERS NOMINAL
HEAD HEIGHT1.1 MILLIMETERS NOMINAL
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 464 OVERALL
NOMINAL THREAD DIAMETER2.0 MILLIMETERS
POINT STYLEOVAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH20.1 MILLIMETERS MINIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS0.4


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